But, really, there's something you must know.
2 seconds sound clip from Darkwing Duck - Beauty and the Beet (S1E3).
You can hear this line at 00:16:04.664 in the DVD version of the TV Series.
Quote context
[...]
- If Rhoda liked me before, she'll love me now.
- I'll show that overgrown garden that no walking weed is going to outsmart Darkwing Duck.
- No buts!
- This is a time for action, not idle chitchat.
- But, really, there's something you must know.
- Not now, Doctor. Can't you see we're busy?
- Now, as I was saying... We're creating the perfect disguise to catch Bushroot.
[...]